.top{margin-top: 80px;}
.a{display:none}
.b{display:block}
.error { border: 1px red dashed; }
label.error { border: none; color: red; position: absolute; top: 8px; right: 25px; }
#khzc { height: 34px;padding-top: 7px;}
.yzm{width: 100px; height: 45px;}
.dlgl{margin-left: 280px}
.dlzt{color: red}